Bullet Points : 1 > High Level Of Omega-3 Fatty Acids To Help Support Joint Health 2 > Contains Glucosamine To Help Support Cartilage Health 3 > High Protein-To-Calorie Ratio To Help Support Lean Muscle Mass 4 > Contains Antioxidants, Including A High Level Of Vitamin E To Help Defend Against Free Radicals 5 > Great Taste Description : Purina Pro Plan Veterinary Diets Jm Joint Mobility Canine Formula Contains An Innovative Nutritional Blend That Includes A High Level Of Long-Chain Omega-3 Fatty Acids And Glucosamine To Help Support Joint Health. The Science Behind Our Therapeutic Diets Represents A Collaboration Between Purina Nutritionists, Researchers And Veterinarians